13966142 has 16 divisors (see below), whose sum is σ = 21555072. Its totient is φ = 6783000.

The previous prime is 13966103. The next prime is 13966153. The reversal of 13966142 is 24166931.

It is a junction number, because it is equal to n+sod(n) for n = 13966099 and 13966108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21263 + ... + 21909.

It is an arithmetic number, because the mean of its divisors is an integer number (1347192).

Almost surely, 2^13966142 is an apocalyptic number.

13966142 is a deficient number, since it is larger than the sum of its proper divisors (7588930).

13966142 is a wasteful number, since it uses less digits than its factorization.

13966142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943.

The product of its digits is 7776, while the sum is 32.

The square root of 13966142 is about 3737.1301823726. The cubic root of 13966142 is about 240.8197776826.

The spelling of 13966142 in words is "thirteen million, nine hundred sixty-six thousand, one hundred forty-two".